Buggy code:
public void testSmallClobFields ( ) throws Exception { } public void testGetClobFromIntColumn ( ) throws Exception { } public void testSetClobToIntColumn ( ) throws Exception { } public void testRaisingOfExceptionsClob ( ) throws Exception { } public void testSetClob ( ) throws Exception { } public void testPositionAgressive ( ) throws Exception { } private static String T8insert ( PreparedStatement ps , int id , char [ ] base , int bl , char [ ] pattern , int pl , int pos , boolean addPattern ) throws SQLException { } private static int addPatternPrefix ( StringBuffer sb , char [ ] pattern , int pl , int fakeCount , int pos ) { } private static void checkClob8 ( Statement s , String pstr ) throws SQLException { } private static void checkClob8 ( Statement s , Clob pstr ) throws SQLException { } public void testClobAfterClose ( ) throws Exception { } public void testLockingClob ( ) throws Exception { } public void testLockingWithLongRowClob ( ) throws Exception { } public void testClobAfterCommit ( ) throws Exception { } public void testClobAfterClosingConnection ( ) throws Exception { } public void testClobAfterCommitWithSecondClob ( ) throws SQLException { } public void testGetClobBeforeAndAfterUpdate ( ) throws SQLException { } private void checkContentsBeforeAndAfterUpdatingClob ( ResultSet rs ) throws SQLException { } public void testGetClobBeforeAndAfterUpdateStream ( ) throws SQLException { } private void updateClobWithUpdateCharacterStream ( ResultSet rs ) throws SQLException { } public void testClobFinalizer ( ) throws Exception { } public void testGetBinaryStream ( ) throws Exception { } public void testGetBytes ( ) throws Exception { } public void testPositionBytes ( ) throws Exception { } public void testPositionBlob ( ) throws Exception { } public void testTriggerWithBlobColumn ( ) throws Exception { } public void testVarbinary ( ) throws Exception { } public void testGetBlobFromIntColumn ( ) throws Exception { } public void testSetBlobOnIntColumn ( ) throws Exception { } public void testRaisingOfExceptionsBlob ( ) throws Exception { } public void testSetBlob ( ) throws Exception { } public void testBlobAfterClose ( ) throws Exception { } public void testLockingBlob ( ) throws Exception { } public void testLockingWithLongRowBlob ( ) throws Exception { } public void testBlobAfterCommit ( ) throws Exception { } public void testBlobAfterClosingConnection ( ) throws Exception { } public void testBlobFinalizer ( ) throws Exception { } public void testGetBlobBeforeAndAfterUpdate ( ) throws Exception { } private void checkContentsBeforeAndAfterUpdatingBlob ( ResultSet rs ) throws SQLException { } public void testGetBlobBeforeAndAfterUpdateStream ( ) throws Exception { } private void updateBlobWithUpdateBinaryStream ( ResultSet rs ) throws SQLException { } public void testSelfDestructiveClob ( ) throws Exception { } public void testSelfDestructiveClob2 ( ) throws Exception { } public void testNegativeTestDerby265Blob ( ) throws Exception { } public void testNegativeTestDerby265Clob ( ) throws Exception { } public static Test suite ( ) { } private void insertDefaultData ( ) throws Exception { } private void insertUnicodeData ( String [ ] unicodeString ) throws Exception { } private void insertLoopingAlphabetStreamData ( PreparedStatement ps , int lobLength ) throws Exception { } private void insertLoopingAlphabetStreamData ( PreparedStatement ps , CharAlphabet alphabet , int lobLength ) throws Exception { } private boolean compareReaders ( Reader origValue , Reader newValue ) throws Exception { } private long getStreamCheckSum ( InputStream in ) throws Exception { } private void verifyInterval ( Clob clob , long pos , int length , int testNum , int clobLength ) throws Exception { } private void verifyInterval ( Blob blob , long pos , int length , int testNum , int blobLength ) throws Exception { try { String subStr = new String ( blob . getBytes ( pos , length ) , "US-ASCII" ) ; assertEquals ( "FAIL<seq2seq4repair_space>-<seq2seq4repair_space>getSubString<seq2seq4repair_space>returned<seq2seq4repair_space>wrong<seq2seq4repair_space>length<seq2seq4repair_space>" , Math . min ( ( ( ( blob . length ( ) ) - pos ) + 1 ) , length ) , subStr . length ( ) ) ; assertEquals ( "FAIL<seq2seq4repair_space>-<seq2seq4repair_space>clob<seq2seq4repair_space>has<seq2seq4repair_space>mismatched<seq2seq4repair_space>lengths" , blobLength , blob . length ( ) ) ; assertFalse ( "FAIL<seq2seq4repair_space>-<seq2seq4repair_space>NO<seq2seq4repair_space>ERROR<seq2seq4repair_space>ON<seq2seq4repair_space>getSubString<seq2seq4repair_space>POS<seq2seq4repair_space>TOO<seq2seq4repair_space>LARGE" , ( pos > ( blobLength + 1 ) ) ) ; byte [ ] value = new byte [ length ] ; String valueString ; InputStream inStream = blob . getBinaryStream ( ) ; inStream . skip ( ( pos - 1 ) ) ; int numBytes = inStream . read ( value ) ; if ( numBytes >= 0 ) { byte [ ] readBytes = new byte [ numBytes ] ; System . arraycopy ( value , 0 , readBytes , 0 , numBytes ) ; <START_BUG> valueString = new String ( readBytes ) ; <END_BUG> assertEquals ( "FAIL<seq2seq4repair_space>-<seq2seq4repair_space>wrong<seq2seq4repair_space>substring<seq2seq4repair_space>value" , valueString , subStr ) ; } else { assertTrue ( "FAIL<seq2seq4repair_space>-<seq2seq4repair_space>wrong<seq2seq4repair_space>length" , ( ( subStr . length ( ) ) == 0 ) ) ; } } catch ( SQLException e ) { if ( pos <= 0 ) { checkException ( BlobClob4BlobTest . BLOB_BAD_POSITION , e ) ; } else { if ( pos > ( blobLength + 1 ) ) { checkException ( BlobClob4BlobTest . BLOB_POSITION_TOO_LARGE , e ) ; } else { throw e ; } } } catch ( NegativeArraySizeException nase ) { if ( ! ( ( pos > blobLength ) && ( usingDerbyNet ( ) ) ) ) { throw nase ; } } } public void testBlobContents ( ResultSet rs ) throws Exception { } public void testBlobInsert ( ) throws SQLException { } private void checkException ( String SQLState , SQLException se ) throws Exception { } private static final String BLOB_BAD_POSITION = "XJ070" ; private static final String BLOB_NONPOSITIVE_LENGTH = "XJ071" ; private static final String BLOB_POSITION_TOO_LARGE = "XJ076" ; private static final String LANG_DATA_TYPE_GET_MISMATCH = "22005" ; private static final String BLOB_NULL_PATTERN_OR_SEARCH_STR = "XJ072" ; private static final String LOCK_TIMEOUT = "40XL1" ; private static final String BLOB_ACCESSED_AFTER_COMMIT = "XJ073" ; private static final String NO_CURRENT_CONNECTION = "08003" ; private static final String INVALID_LOB = "XJ215" ; private static final String INVALID_LOCATOR = "XJ217" ; }

Fix:
valueString = new String ( readBytes , "US-ASCII" ) ;